Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem são os oponentes de Missouri que têm um registro geral de MU, 3-1?
 ###Tabelas: CREATE TABLE member_schools (member_schools_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, City VARCHAR, State VARCHAR, Team Name VARCHAR, Affiliation VARCHAR, Enrollment INT, Home Conference VARCHAR) CREATE TABLE official_delegates (official_delegates_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Contestant VARCHAR, Age INT, Height (cm) INT, Height (ft) VARCHAR, Hometown VARCHAR) CREATE TABLE victories_by_nationality (victories_by_nationality_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Men's Open INT, Women's Open INT, Men's Wheelchair INT, Women's Wheelchair INT, Total INT) CREATE TABLE 5801–5900 (5801–5900_id AUTO_INCREMENT PRIMARY KEY, NGC number INT, Object type VARCHAR, Constellation VARCHAR, Right ascension ( J2000 ) VARCHAR, Declination ( J2000 ) VARCHAR) CREATE TABLE record_vs._sec_opponents (record_vs._sec_opponents_id AUTO_INCREMENT PRIMARY KEY, Missouri vs. VARCHAR, Overall Record VARCHAR, at Columbia VARCHAR, at Opponents Venue VARCHAR, at Neutral Site VARCHAR, Last 5 Meetings VARCHAR, Last 10 Meetings VARCHAR, Current Streak VARCHAR, Since Joining SEC VARCHAR)  
SELECT Missouri vs. FROM record_vs._sec_opponents WHERE Overall Record = MU, 3-1